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Simplifying
4t2 + -40 + 25 = 0
Reorder the terms:
-40 + 25 + 4t2 = 0
Combine like terms: -40 + 25 = -15
-15 + 4t2 = 0
Solving
-15 + 4t2 = 0
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '15' to each side of the equation.
-15 + 15 + 4t2 = 0 + 15
Combine like terms: -15 + 15 = 0
0 + 4t2 = 0 + 15
4t2 = 0 + 15
Combine like terms: 0 + 15 = 15
4t2 = 15
Divide each side by '4'.
t2 = 3.75
Simplifying
t2 = 3.75
Take the square root of each side:
t = {-1.936491673, 1.936491673}
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